Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester groups and synthetic resin compositions

Abstract

Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester or ether groups are provided, comprising polymeric units having the structure <IMAGE> I wherein X is selected from the group consisting of: <IMAGE> <IMAGE> <IMAGE> <IMAGE> <IMAGE> R1 is selected from the group consisting of hydrogen, -O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms; R2 is hydrogen or hydroxy; n1 is 0 or 1; R3 is lower alkyl having from one to about six carbon atoms; and n is the average number of such units in the polymer; as well as stabilized synthetic resin compositions comprising such polyethers.

Having regard to the foregoing disclosure, the following is claimed as the inventive and patentable embodiments thereof: 
     
       1. Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester or ether groups comprising polymeric units having the structure ##STR178## wherein X is selected from the group consisting of: ##STR179## R 1  is selected from the group consisting of hydrogen, --O, alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms, acyl having from one to about eighteen carbon atoms, cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alklphenyl having from seven to about twenty-four carbon atoms; R 2  is hydrogen or hydroxy;   n 1  is 0 or 1;   R 3  is lower alkyl having from one to about six carbon atoms; and   n is the average number of such units in the polyether, within the range from 2 to 50.   
     
     
       2. Polyethers according to claim 1 in which X has the formula ##STR180## wherein R 1 , R 2  and n 1  are as in claim 1. 
     
     
       3. Polyethers according to claim 1 in which X has the formula ##STR181## wherein R 1  is as claim 1. 
     
     
       4. Polyethers according to claim 1 in which X has the formula ##STR182## wherein R 1  is as in claim 1. 
     
     
       5. Polyethers according to claim 1 in which X has the formula ##STR183## wherein R 1  and R 3  are as in claim 1. 
     
     
       6. Polyethers according to claim 1 in which X has the formula ##STR184## wherein R 1  and R 3  are as in claim 1. 
     
     
       7. Polyethers according to claim 1 wherein n is a number from 2 to 5. 
     
     
       8. Polyethers according to claim 1 wherein n is a number from 3 to 20. 
     
     
       9. Polyethers according to claim 1 wherein R 1  is hydrogen. 
     
     
       10. Polyethers according to claim 1 wherein R 1  and R 2  are each hydrogen. 
     
     
       11. Polyethers according to claim 1 having the formula: ##STR185## 
     
     
       12. Polyethers according to claim 1 having the formula: ##STR186## 
     
     
       13. Polyethers according to claim 1 having the formula: ##STR187## 
     
     
       14. Polyethers according to claim 1 having the formula: ##STR188## 
     
     
       15. Polyethers according to claim 1 having the formula: ##STR189## 
     
     
       16. A polyvinyl chloride resin composition having improved resistance to deterioration upon exposure to light comprising a polyvinyl chloride resin formed at least in part of the recurring group: ##STR190## and having a chlorine content in excess of 40%, where X is either hydrogen or chlorine; and a compound in accordance with claim 1. 
     
     
       17. A polyvinyl chloride resin composition in accordance with claim 16 in which the polyvinyl chloride resin is polyvinyl chloride homopolymer. 
     
     
       18. A polyvinyl chloride resin composition in accordance with claim 16 in which the polyvinyl chloride resin is a copolymer of vinyl chloride and vinyl acetate. 
     
     
       19. An olefin polymer composition having improved resistance to deterioration upon exposure to light comprising an olefin polymer selected from the group consisting of polymers of alpha-olefins having from two to six carbon atoms and polystyrene, and a compound in accordance with claim 1. 
     
     
       20. An olefin polymer composition in accordance with claim 19 wherein the polyolefin is polypropylene. 
     
     
       21. An olefin polymer composition in accordance with claim 19 wherein the polyolefin is polyethylene. 
     
     
       22. An olefin polymer composition in accordance with claim 19 wherein the polyolefin is ethylene-propylene copolymer. 
     
     
       23. A polyurethane resin composition having improved resistance to deterioration upon exposure to light comprising a polyurethane resin and a compound in accordance with claim 1. 
     
     
       24. An ethylene-vinyl acetate copolymer composition having improved resistance to deterioration upon exposure to light comprising an ethylene-vinyl acetate copolymer and a compound in accordance with claim 1. 
     
     
       25. An acrylonitrile-butadiene-styrene copolymer composition having improved resistance to deterioration upon exposure to light comprising an acrylonitrile-butadiene-styrene copolymer and a compound in accordance with claim 1.